url = {
    "pic": "api/checkcode/pic",
    "all": "system/dictionary/all",
    "code": "system/dictionary/code",
    "list": "api/search/course/list",
    "generatepaycode": "api/orders/generatepaycode",
    "requestpay": "api/orders/requestpay",
    "getToken": "auth/oauth/token",
    "payresult": "api/orders/payresult",
    "choosecourse": "api/learning/choosecourse",
    "learnstatus": "api/learning/choosecourse/learnstatus",
    "mycoursetable": "api/learning/mycoursetable",
    "getvideo": "api/learning/open/learn/getvideo",
    "preview": "api/media/preview",
    "files": "api/media/files",
    "coursefile": "api/media/upload/coursefile",
    "checkfile": "api/media/upload/checkfile",
    "checkchunk": "api/media/upload/checkchunk",
    "contentList": "api/content/course/list",
    "nodes": "api/content/course-category/tree-nodes",
    "getPreviewInfo": "api/content/course/whole",
    "coursepublish" : "api/content/r/coursepublish",
    "coursepreview": "api/content/coursepreview",
    "commit": "api/content/courseaudit/commit",
    "coursepublish_button": "api/content/coursepublish"
}